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History of Physics and Astronomy

This version sorts the important events by name. The lifetimes of people are highlighted in blue, important people are in bold blue.


Quadrant electrometer 1770
Quantised Hall effect observed 1980
Quantum mechanics - Dirac 1930
Quantum theory - Planck 1900
Quark hunting of the quark begun 1964
Quark theory of hadrons - Gell-Mann, Zweig 1964
Quartz crystal clock invented 1929
Quasar identified optically Matthews and Sandage 1960
Quasars discovered 1962
Quebec captured by Wolfe 1759
© Keith Gibbs 2007